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hue

(4,949 posts)
Thu Apr 5, 2012, 08:28 AM Apr 2012

LHC is back with big energy boost

Source: BBC News

The Large Hadron Collider (LHC) is operating again after its winter break.

Early on Thursday, opposing stable beams of protons were smashed into each other at four observation positions.

The total collision energy in these bunches of sub-atomic particles was eight trillion electron volts - a world record.

Scientists expect the big boost in capability to significantly increase the collider's chances of discovering "new physics".

The great expectation is that they will definitively confirm or deny the existence of the Higgs boson, the elusive particle that would help explain why matter has mass.

Read more: http://www.bbc.co.uk/news/science-environment-17625123



This is the year the Higgs boson will be found!! (There may actually be more than one.)
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Gore1FL

(21,130 posts)
1. What do you mean bu more than one?
Thu Apr 5, 2012, 09:16 AM
Apr 2012

Are you saying that there are variants of the Higgs Boson, or are you talking about super symmetry particles?

longship

(40,416 posts)
6. E.G., the weak and strong force bosons
Thu Apr 5, 2012, 10:48 AM
Apr 2012

There are four for the weak force (W and three Z) and eight for the strong force (gluons).

hue

(4,949 posts)
7. SUSY theorists predict there are 5 Higgs and each would have its own Superpartner.
Thu Apr 5, 2012, 02:24 PM
Apr 2012

Only the lightest Higgs would be found at 125 Gev level. The other 4 Higgs are heavier and harder to find.
The Standard Model predicts only one Higgs.

longship

(40,416 posts)
8. That would make the string theorists happy
Thu Apr 5, 2012, 05:09 PM
Apr 2012

They may have something goin' on, but I'm skeptical. Seems like all the successes have been in quantum field theory's camp for decades.

Regardless, if the Higgs is discovered, anything beyond that has to be new physics, and that would be ultra cool. For three decades the standard model has stood all experimental challenges. That's going to change at the LHC.

Exciting! Very exciting.

Yavin4

(35,438 posts)
2. Do you get the feeling that the rest of the world is moving on without us?
Thu Apr 5, 2012, 09:45 AM
Apr 2012

The rest of the world engages in breathtaking discoveries while we have state school boards trying to install creationism as science.

scubadude

(3,556 posts)
9. CERN best hurry, the Higgs Boson may have already been found by the Tevatron at Fermilab in Chicago
Thu Apr 5, 2012, 06:48 PM
Apr 2012

and the scientists there are combing through their data to look for more proof.

I think it's terrible that the US has failed to maintain it's dominance in high energy physics, but my guess is that many of the scientists at CERN are American.

Scuba

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